Finding the Fourth Proportional to 5,116,630.78, 7,676,049.70 and 1,473,336.13
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Solution
The fourth proportional to 5,116,630.78, 7,676,049.70 and 1,473,336.13 is: 2,210,321.96
Step by Step Solution
- Step 1: Write the proportion equation
5,116,630.78 : 7,676,049.70 = 1,473,336.13 : x - Step 2: Convert to fraction form
5,116,630.78/7,676,049.70 = 1,473,336.13/x - Step 3: Cross multiply
5,116,630.78x = 7,676,049.70 × 1,473,336.13 - Step 4: Simplify right side
5,116,630.78x = 11,309,401,358,685.66 - Step 5: Solve for x
x = 11,309,401,358,685.66/5,116,630.78 - Step 6: Final answer
x = 2,210,321.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.